Energized EOR

Capital budgets for enhanced oil recovery (EOR) projects have grown in tandem with rising oil prices, but very little of that money is flowing into traditional waterflood recovery. That's because the large waterfloods in the U.S. have been done, says Steve Melzer, a leading EOR consultant based in Midland, Texas."There's quite a bit of activity going into these old fields—to repressure them and get them ready for tertiary recovery—but I'm not seeing a lot of evidence of a waterflooding revival," he says.Instead, tertiary projects receiving attention are those using techniques...